EP3260492B1 - Method for producing resin additive composition and resin additive composition - Google Patents
Method for producing resin additive composition and resin additive composition Download PDFInfo
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- EP3260492B1 EP3260492B1 EP16752366.1A EP16752366A EP3260492B1 EP 3260492 B1 EP3260492 B1 EP 3260492B1 EP 16752366 A EP16752366 A EP 16752366A EP 3260492 B1 EP3260492 B1 EP 3260492B1
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- 229920005989 resin Polymers 0.000 title claims description 91
- 239000011347 resin Substances 0.000 title claims description 91
- 239000000203 mixture Substances 0.000 title claims description 76
- 239000000654 additive Substances 0.000 title claims description 75
- 230000000996 additive effect Effects 0.000 title claims description 70
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 124
- 125000004432 carbon atom Chemical group C* 0.000 claims description 98
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 82
- 229920001971 elastomer Polymers 0.000 claims description 69
- 239000000806 elastomer Substances 0.000 claims description 66
- 238000002844 melting Methods 0.000 claims description 49
- 230000008018 melting Effects 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 49
- 239000007788 liquid Substances 0.000 claims description 48
- 125000000217 alkyl group Chemical group 0.000 claims description 43
- -1 amine compound Chemical class 0.000 claims description 42
- 239000007787 solid Substances 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 23
- 229920001577 copolymer Polymers 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 21
- 229920003002 synthetic resin Polymers 0.000 claims description 21
- 239000000057 synthetic resin Substances 0.000 claims description 21
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 17
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 15
- 125000003545 alkoxy group Chemical group 0.000 claims description 14
- 125000005113 hydroxyalkoxy group Chemical group 0.000 claims description 12
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 12
- 125000003342 alkenyl group Chemical group 0.000 claims description 10
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 5
- 125000001118 alkylidene group Chemical group 0.000 claims description 5
- 125000004429 atom Chemical group 0.000 claims description 4
- 150000002978 peroxides Chemical group 0.000 claims description 4
- 229920013716 polyethylene resin Polymers 0.000 claims description 2
- 239000000047 product Substances 0.000 description 18
- 239000004594 Masterbatch (MB) Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 12
- 238000005470 impregnation Methods 0.000 description 12
- VYCDFODYRFOXDA-UHFFFAOYSA-N bis(2,2,6,6-tetramethyl-1-undecoxypiperidin-4-yl) carbonate Chemical compound C1C(C)(C)N(OCCCCCCCCCCC)C(C)(C)CC1OC(=O)OC1CC(C)(C)N(OCCCCCCCCCCC)C(C)(C)C1 VYCDFODYRFOXDA-UHFFFAOYSA-N 0.000 description 10
- 229920001400 block copolymer Polymers 0.000 description 10
- 238000000465 moulding Methods 0.000 description 10
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000004702 low-density polyethylene Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 8
- 229920001684 low density polyethylene Polymers 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 7
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000003963 antioxidant agent Substances 0.000 description 5
- 230000003078 antioxidant effect Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 150000001993 dienes Chemical class 0.000 description 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- 150000004665 fatty acids Chemical class 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003349 gelling agent Substances 0.000 description 4
- 238000005469 granulation Methods 0.000 description 4
- 230000003179 granulation Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 229920002554 vinyl polymer Polymers 0.000 description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 229920000092 linear low density polyethylene Polymers 0.000 description 3
- 239000004707 linear low-density polyethylene Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
- OTCWVYFQGYOYJO-UHFFFAOYSA-N 1-o-methyl 10-o-(1,2,2,6,6-pentamethylpiperidin-4-yl) decanedioate Chemical compound COC(=O)CCCCCCCCC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 OTCWVYFQGYOYJO-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- VUZNLSBZRVZGIK-UHFFFAOYSA-N 2,2,6,6-Tetramethyl-1-piperidinol Chemical compound CC1(C)CCCC(C)(C)N1O VUZNLSBZRVZGIK-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 2
- RSOILICUEWXSLA-UHFFFAOYSA-N bis(1,2,2,6,6-pentamethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 RSOILICUEWXSLA-UHFFFAOYSA-N 0.000 description 2
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 2
- OCWYEMOEOGEQAN-UHFFFAOYSA-N bumetrizole Chemical compound CC(C)(C)C1=CC(C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O OCWYEMOEOGEQAN-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 229960001545 hydrotalcite Drugs 0.000 description 2
- 229910001701 hydrotalcite Inorganic materials 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000004611 light stabiliser Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920001748 polybutylene Polymers 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920002742 polystyrene-block-poly(ethylene/propylene) -block-polystyrene Polymers 0.000 description 2
- 229920005604 random copolymer Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 229920000247 superabsorbent polymer Polymers 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- NWPIOULNZLJZHU-UHFFFAOYSA-N (1,2,2,6,6-pentamethylpiperidin-4-yl) 2-methylprop-2-enoate Chemical compound CN1C(C)(C)CC(OC(=O)C(C)=C)CC1(C)C NWPIOULNZLJZHU-UHFFFAOYSA-N 0.000 description 1
- YWEWWNPYDDHZDI-JJKKTNRVSA-N (1r)-1-[(4r,4ar,8as)-2,6-bis(3,4-dimethylphenyl)-4,4a,8,8a-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol Chemical compound C1=C(C)C(C)=CC=C1C1O[C@H]2[C@@H]([C@H](O)CO)OC(C=3C=C(C)C(C)=CC=3)O[C@H]2CO1 YWEWWNPYDDHZDI-JJKKTNRVSA-N 0.000 description 1
- FMZUHGYZWYNSOA-VVBFYGJXSA-N (1r)-1-[(4r,4ar,8as)-2,6-diphenyl-4,4a,8,8a-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol Chemical compound C([C@@H]1OC(O[C@@H]([C@@H]1O1)[C@H](O)CO)C=2C=CC=CC=2)OC1C1=CC=CC=C1 FMZUHGYZWYNSOA-VVBFYGJXSA-N 0.000 description 1
- OHWBOQAWKNFLRG-UEQSERJNSA-N (3s,4s,5s,6r)-1,8-bis(4-ethylphenyl)octa-1,7-diene-2,3,4,5,6,7-hexol Chemical compound C1=CC(CC)=CC=C1C=C(O)[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=CC1=CC=C(CC)C=C1 OHWBOQAWKNFLRG-UEQSERJNSA-N 0.000 description 1
- GCUJYAYDACUNCW-UEQSERJNSA-N (4s,5s,6s,7r)-2,9-bis(2-methylphenyl)deca-2,8-diene-3,4,5,6,7,8-hexol Chemical compound OC([C@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=C(C)C=1C(=CC=CC=1)C)=C(C)C1=CC=CC=C1C GCUJYAYDACUNCW-UEQSERJNSA-N 0.000 description 1
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 0.000 description 1
- JZHGRUMIRATHIU-UHFFFAOYSA-N 1-ethenyl-3-methylbenzene Chemical compound CC1=CC=CC(C=C)=C1 JZHGRUMIRATHIU-UHFFFAOYSA-N 0.000 description 1
- VVTGQMLRTKFKAM-UHFFFAOYSA-N 1-ethenyl-4-propylbenzene Chemical compound CCCC1=CC=C(C=C)C=C1 VVTGQMLRTKFKAM-UHFFFAOYSA-N 0.000 description 1
- NWDVCUXGELFJOC-UHFFFAOYSA-N 1-n,2-n,3-n-tris(2-methylcyclohexyl)propane-1,2,3-tricarboxamide Chemical compound CC1CCCCC1NC(=O)CC(C(=O)NC1C(CCCC1)C)CC(=O)NC1C(C)CCCC1 NWDVCUXGELFJOC-UHFFFAOYSA-N 0.000 description 1
- ZSBAHSJUEJIQEB-UHFFFAOYSA-N 1-n,2-n-dicyclohexylnaphthalene-1,2-dicarboxamide Chemical compound C=1C=C2C=CC=CC2=C(C(=O)NC2CCCCC2)C=1C(=O)NC1CCCCC1 ZSBAHSJUEJIQEB-UHFFFAOYSA-N 0.000 description 1
- LNYGCDOWFJXOSW-UHFFFAOYSA-N 1-n,3-n,5-n-tricyclohexylbenzene-1,3,5-tricarboxamide Chemical compound C=1C(C(=O)NC2CCCCC2)=CC(C(=O)NC2CCCCC2)=CC=1C(=O)NC1CCCCC1 LNYGCDOWFJXOSW-UHFFFAOYSA-N 0.000 description 1
- 125000006017 1-propenyl group Chemical group 0.000 description 1
- OXOPJJPCBRTSLW-UHFFFAOYSA-N 2-(3,5-ditert-butyl-4-hydroxyphenyl)-2-methylicosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCC(C)(C(O)=O)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 OXOPJJPCBRTSLW-UHFFFAOYSA-N 0.000 description 1
- IYAZLDLPUNDVAG-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 IYAZLDLPUNDVAG-UHFFFAOYSA-N 0.000 description 1
- 125000006022 2-methyl-2-propenyl group Chemical group 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- PFANXOISJYKQRP-UHFFFAOYSA-N 2-tert-butyl-4-[1-(5-tert-butyl-4-hydroxy-2-methylphenyl)butyl]-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(CCC)C1=CC(C(C)(C)C)=C(O)C=C1C PFANXOISJYKQRP-UHFFFAOYSA-N 0.000 description 1
- DLOOROZLNGJMCQ-UHFFFAOYSA-N 3-[3,5-bis[(2-methyl-3-oxobutan-2-yl)amino]anilino]-3-methylbutan-2-one Chemical compound CC(C(C)=O)(NC1=CC(=CC(=C1)NC(C(C)=O)(C)C)NC(C(C)=O)(C)C)C DLOOROZLNGJMCQ-UHFFFAOYSA-N 0.000 description 1
- QOXOZONBQWIKDA-UHFFFAOYSA-N 3-hydroxypropyl Chemical group [CH2]CCO QOXOZONBQWIKDA-UHFFFAOYSA-N 0.000 description 1
- IYMZEPRSPLASMS-UHFFFAOYSA-N 3-phenylpyrrole-2,5-dione Chemical compound O=C1NC(=O)C(C=2C=CC=CC=2)=C1 IYMZEPRSPLASMS-UHFFFAOYSA-N 0.000 description 1
- PRWJPWSKLXYEPD-UHFFFAOYSA-N 4-[4,4-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butan-2-yl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)CC(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)C1=CC(C(C)(C)C)=C(O)C=C1C PRWJPWSKLXYEPD-UHFFFAOYSA-N 0.000 description 1
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 description 1
- YKVAWSVTEWXJGJ-UHFFFAOYSA-N 4-chloro-2-methylsulfanylthieno[3,2-d]pyrimidine Chemical compound CSC1=NC(Cl)=C2SC=CC2=N1 YKVAWSVTEWXJGJ-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- WOOQSKAMMPIQIW-CIAFKFPVSA-N Bis(methylbenzylidene)sorbitol Chemical compound OC([C@H](O)[C@@H](O)[C@H](O)[C@H](O)C(O)=C(C)C=1C=CC=CC=1)=C(C)C1=CC=CC=C1 WOOQSKAMMPIQIW-CIAFKFPVSA-N 0.000 description 1
- 0 CC(C)(C1)N(*)C(C)(*)CC1OC Chemical compound CC(C)(C1)N(*)C(C)(*)CC1OC 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
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- ZHROMWXOTYBIMF-UHFFFAOYSA-M sodium;1,3,7,9-tetratert-butyl-11-oxido-5h-benzo[d][1,3,2]benzodioxaphosphocine 11-oxide Chemical compound [Na+].C1C2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2OP([O-])(=O)OC2=C1C=C(C(C)(C)C)C=C2C(C)(C)C ZHROMWXOTYBIMF-UHFFFAOYSA-M 0.000 description 1
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- 238000010998 test method Methods 0.000 description 1
- WUPCFMITFBVJMS-UHFFFAOYSA-N tetrakis(1,2,2,6,6-pentamethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)C(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)CC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 WUPCFMITFBVJMS-UHFFFAOYSA-N 0.000 description 1
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- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/37—Thiols
- C08K5/372—Sulfides, e.g. R-(S)x-R'
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/529—Esters containing heterocyclic rings not representing cyclic esters of phosphoric or phosphorous acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/10—Copolymers of styrene with conjugated dienes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2425/02—Homopolymers or copolymers of hydrocarbons
- C08J2425/04—Homopolymers or copolymers of styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0066—Flame-proofing or flame-retarding additives
Definitions
- the present invention relates to a method for producing a resin additive composition that improves handleability of a low melting point composition. More specifically, by mixing a styrene-based elastomer with a resin additive in a liquid state or fluid state to form a solid, an excellent blocking resistance (storage stability) effect is provided. Moreover, the present invention relates to a method for improving handleability of a low melting point composition. More specifically, the present invention relates to a resin additive composition obtained by mixing a styrene-based elastomer with a resin additive having a melting point of 100°C or lower to form a solid so as to improve the handleability.
- Liquid compounds or low melting point compounds that are likely to turn into a liquid state in a high temperature environment or by pressure application are more difficult to handle compared with solid compounds, and therefore, various methods for improving the handleability have been conventionally investigated.
- hindered amine compounds obtained by reacting stearyl(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, or a 2,2,6,6-tetramethyl piperidinol with a fatty acid are resin additives that provide excellent weather resistance.
- the hindered amine compounds have a low molecular weight and are likely to turn into a liquid state, and liquid products thereof are viscous and have poor handleability.
- Patent Literature 1 proposes a method of impregnating therewith an inorganic substance in a powder state having an oil absorption of 150 ml/100 g or more, for example.
- Patent Literature 2 proposes a method of forming a masterbatch thereof by blending it into a resin.
- Patent Literature 3 states that a metal salt of an organic acid is used to form a masterbatch thereof, thus suppressing stickiness and preventing breakage of strands or exudation from the masterbatch during granulation.
- Patent Literature 4 proposes a microencapsulation method.
- Patent Literature 5 proposes a masterbatch obtained by blending a resin additive, an inorganic layered compound, a metal salt of aromatic phosphate, and a benzotriazole-based ultraviolet absorber into a polyolefin resin.
- a super absorbent polymer is a cross-linked polymer containing sodium polyacrylate as a main component, and it is known that water, which is a liquid, is absorbed by the super absorbent polymer and thus can turn into a solid through gelation. It is also known that a gelling agent is used to cause waste cooking oil to turn into a solid in order to dispose it as a combustible waste.
- a mixing apparatus may be worn when impregnation is performed while stirring the inorganic substance.
- an inorganic substance is blended into a synthetic resin, there are cases where the transparency of a molded article is impaired, the weight of a molded article is increased, and stable production cannot be achieved due to the production of defective products in a fiber application or a film application.
- Patent Literature 2 proposes a method of forming a masterbatch to bring an additive in a liquid state into a solid state.
- Patent Literature 3 proposes a method of forming a masterbatch by blending a resin additive in a liquid state, a metal salt of an organic acid other than a fatty acid, and a gelling agent into a crystalline resin.
- Patent Literature 5 proposes a method of forming a masterbatch by blending an inorganic layered compound.
- the masterbatch may be colored, or the low melting point compound may deteriorate or volatilize, depending on a temperature at which the masterbatch is formed.
- a masterbatch is a method of melting and kneading a resin, and therefore, a problem arises in that energy consumption increases. Moreover, the masterbatch may be blocked due to the exudation of the low melting point compound from the masterbatch over time, and this causes a problem in that the blend amount of the low melting point compound has to be limited.
- an object of the present invention which relates to a production method for improving handleability of a resin additive that is a low melting point compound, is to provide a method for producing a resin additive composition that has excellent blocking resistance (storage stability) and can be blended into a synthetic resin to provide a resin additive function without greatly impairing the properties derived from the resin, even in an environment in which a temperature varies significantly, for example.
- an object of the present invention which relates to improving handleability of a resin additive that is a low melting point compound, is to provide a resin additive composition that can prevent blocking during storage at ordinary temperature when a low melting point compound is used as a resin additive, for example, and that can be blended into a resin to provide an excellent stabilizing effect without greatly impairing the properties such as transparency derived from the resin.
- the inventors of the present invention conducted intensive research in order to solve the foregoing problems. As a result, the foregoing problems were solved by mixing a styrene-based elastomer with a low melting point compound.
- the present invention provides a method for producing a resin additive composition, the method according to claim 1 being a method for handling, as a solid, a compound that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer, the method including mixing 100 parts by mass of a styrene-based elastomer (A) with 50 to 250 parts by mass of a compound (B) that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer, wherein the compound (B) is a resin additive having a melting point of 100°C or lower.
- the present invention provides a resin additive composition according to claim 4 containing 50 to 250 parts by mass of a compound (B) that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer with respect to 100 parts by mass of a styrene-based elastomer (A).
- a compound (B) that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer with respect to 100 parts by mass of a styrene-based elastomer (A).
- (A) styrene-based elastomer is referred to merely as “above elastomer (A)” or “(A) component”
- compound that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer is referred to merely as “compound (B)", “(B) component”, or the like.
- the "method for handling, as a solid,” as used herein refers to a method of mixing an (A) component in a solid state with a (B) component that is a solution or in a fluid state, and encompasses a case where an (A) component is mixed with a heated (B) component and then cooled so that the (B) component turns into a solid.
- “Mixing an (A) component with a (B) component” means that both the components are caused to coexist in a contact state.
- the resin additive composition of the present invention is in a state in which the above elastomer (A) is impregnated with the above compound (B).
- a resin additive having a melting point of 100°C or lower is used as the above compound (B). All descriptions of the compound (B) below apply to resin additives having a melting point of 100°C or lower unless otherwise stated.
- a hydrogenated styrene-butadiene-styrene copolymer is preferably used as the above elastomer (A).
- a compound selected from a hindered amine compound, or an NO-alkyl type hindered amine compound having a triazine structure or a spiroglycol structure is used as the above compound (B).
- the hindered amine compound serving as the above compound (B) is a compound represented by Formula (1) below.
- the hindered amine compound serving as the above compound (B) is a compound represented by Formula (4) below.
- R 4 represents a hydrogen atom, a hydroxy group, a branched or linear alkyl group having 1 to 30 carbon atoms, a hydroxyalkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a hydroxyalkoxy group having 1 to 30 carbon atoms, or an oxy-radical
- R5 represents a branched or linear alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, or a group represented by Formula (2).
- a preferred example of the hindered amine compound serving as the above compound (B) is an NO-alkyl type hindered amine compound having a triazine structure or a spiroglycol structure.
- the resin additive composition of the present invention can be obtained by mixing the styrene-based elastomer (A) with the above compound (B) in a liquid state or fluid state and thus be handled as a solid.
- a synthetic resin composition of the present invention according to claim 6 contains the resin additive composition, wherein the component (B) contained in the resin additive composition is contained in a range of an amount of 0.01 to 10 parts by mass with respect to 100 parts by mass of a synthetic resin.
- the synthetic resin is a polyethylene resin.
- the above compound (B) can turn into a solid without heating and melting the styrene-based elastomer (A), thus making it possible to prevent the deterioration of the above compound (B) due to heating and to produce a resin additive composition that has excellent properties of retaining the above compound (B). Moreover, an excellent blocking resistance (storage stability) effect is provided even in an environment in which a temperature varies significantly.
- the above compound (B) can turn into a solid without heating and melting the styrene-based elastomer (A), and therefore, the deterioration of the above compound (B) due to heating can be prevented, and the resin additive composition has excellent properties of retaining the above compound (B).
- blending the resin additive composition into a synthetic resin makes it possible to provide the effect of a resin additive without greatly impairing the properties of the synthetic resin.
- the styrene-based elastomer (A) in the present invention includes a block copolymer (X) of aromatic vinyl compounds such as styrene, ⁇ -methylstyrene, 3-methylstyrene, and 4-propylstyrene, and a block copolymer (Y) of conjugated diene monomers such as butadiene, isoprene, and a mixture thereof.
- Butadiene, isoprene, or a mixture of isoprene and butadiene is preferably used as the conjugated diene monomer from the viewpoint of the low-temperature properties and flexibility of the obtained block copolymer and a composition including this block copolymer.
- a double bond based on a conjugated diene in a block copolymer (Y) constituted by the conjugated dienes is 60% or higher and preferably 80% or higher. If the hydrogenation rate is lower than 60%, problems of thermal deterioration during molding and preservability of the obtained resin additive composition may arise.
- the styrene-based elastomer in the present invention includes two or more block copolymers (X) of aromatic vinyl compounds and one or more block copolymers (Y) of conjugated dienes, and its form is represented by X-(Y-X)u or (X-Y)t where u represents an integer of 1 or greater and t represents an integer of 2 or greater. It is preferable that the styrene-based elastomer in the present invention has a form of X-Y-X.
- the density of the (A) styrene-based elastomer is preferably 1 g/cm3 or less, and more preferably 0.89 g/cm3 to 0.98 g/cm3.
- the content of polystyrene in the (A) styrene-based elastomer is preferably 5 mass% or more and 80 mass% or less, and more preferably 10 mass% or more and 70 mass% or less.
- the content of polystyrene can be measured using a method of measuring iodination in accordance with the Wijs method.
- the styrene-based elastomer (A) used in the production method of the present invention and the styrene-based elastomer (A) contained in the resin additive composition are preferably in a powder form, and more preferably in a powder form that particularly has a volume averaged particle diameter of preferably 0.01 ⁇ m to 5 mm and more preferably 0.1 ⁇ m to 500 ⁇ m.
- the volume averaged particle diameter of the styrene-based elastomer refers to a numerical value obtained through calculation in accordance with the following formula when transmission electron micrographs of samples obtained by using an ultrathin section method are taken and the circle equivalent particle diameters of 1000 styrene-based elastomer particles are measured.
- volume averaged particle diameter of styrene-based elastomer ⁇ n i D i 4 / ⁇ n i D i 3 (n i represents the number of styrene-based elastomer particles having a circle equivalent particle diameter of Di ( ⁇ m).)
- styrene-based elastomer (A) used in the present invention examples include butadiene-styrene copolymers (including all of random copolymers, block copolymers, graft copolymers, and the like) and hydrogenated products thereof such as a styrene-butadiene-styrene copolymer (e.g., SBS), a hydrogenated styrene-butadiene-styrene copolymer (e.g., SEBS), a hydrogenated styrene-butadiene copolymer (e.g., HSBR), and a hydrogenated styrene-butadiene-olefin crystal block copolymer (e.g., SEBC); and isoprene-styrene copolymers (including all of random copolymers, block copolymers, graft copolymers, and the like) and hydrogenated products thereof such as
- a hydrogenated styrene-butadiene-styrene copolymer is preferably used as the styrene-based elastomer (A).
- the "compound (B) that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer” in the present invention refers to a compound having a melting point of 100°C or lower, a compound having a melting point of higher than 100°C that can maintain a liquid state or fluid state in which fluidity is exhibited for 30 minutes or longer after being heated to a temperature higher than or equal to the melting point to be brought into a liquid state or fluid state and then cooled to 100°C, and a compound having a melting point of higher than 100°C whose melting point is lowered to 100°C or lower when the compound is blended with another compound.
- a compound having a melting point of 100°C or lower is preferable because complex treatment is not required, and more preferably, a compound having a melting point of 50°C or lower, particularly a compound that is brought into a liquid state at 25°C, is preferable because a handleability improving effect obtained through the formation of a solid becomes prominent.
- a compound having a melting point of 50°C or lower particularly a compound that is brought into a liquid state at 25°C, is preferable because a handleability improving effect obtained through the formation of a solid becomes prominent.
- "state in which fluidity is exhibited" mentioned above is also referred to as "fluid state”.
- the state of the above compound (B) in which fluidity is exhibited refers to a state in which a substance in a solid phase moves or flows without adhering to each other into a larger size in an ambient condition, and the viscosity measured using a B-type viscometer in conformity with JIS K5101-6-2 (2004) is 30,000 mPa ⁇ s or lower and preferably 10,000 Pa ⁇ s or lower, for example.
- the state of the above compound (B) in which fluidity is exhibited may be a state in which a liquid phase and a solid phase coexist.
- a state in which a solid phase can be uniformly dispersed in a liquid phase is preferable.
- examples of the compound whose melting point is lowered to 100°C or lower when the compound is blended with another compound include aliphatic alcohols and ester compounds made of a fatty acid, and preferred examples thereof include mixed ester compounds (mixed ester compounds) obtained from mixed alcohol and mixed fatty acid, and mixed amide compounds (mixed amide compounds).
- the melting point is measured in a condition of a temperature rising speed of 1°C/min using a melting point measurement apparatus (model number: MP-90) manufactured by Mettler-Toledo.
- a melting point measurement apparatus model number: MP-90
- the melting point of a polymer cannot be measured using this apparatus, and therefore, regarding the melting point of a polymer, a polymer is heated at a temperature rising speed of 1°C/min under observation using a microscope, and a temperature at which the polymer melts is taken as the melting point of the polymer.
- Liquid at ordinary temperature refers to being in a liquid state in a condition of a temperature of 25°C.
- the compound (B) is a hindered amine compound, or an NO-alkyl type hindered amine compound having a triazine structure or a spiroglycol structure, and has a melting point of 100°C or lower.
- Examples of the hindered amine compound that has a melting point of 100°C or lower and serves as the above compound (B) include bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate (melting point: 82 to 87°C), bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate (liquid at ordinary temperature), methyl-1,2,2,6,6-pentamethyl-4-piperidyl sebacate (liquid at ordinary temperature), bis(1-octyloxy-2,2,6,6-pentamethyl-4-piperidyl) sebacate (melting point: 82 to 85°C), bis(1-undecanoxy-2,2,6,6-tetramethylpiperidyl-4-yl) carbonate (liquid at ordinary temperature), 1,2,2,6,6-pentamethyl-4-piperidyl methacrylate (liquid at ordinary temperature), 2,2,6,6-tetramethyl-4-piperidyl methacrylate (liquid at ordinary temperature), tetraki
- R 2 represents a hydrogen atom, a hydroxy group, a branched or linear alkyl group having 1 to 30 carbon atoms, a hydroxyalkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a hydroxyalkoxy group having 1 to 30 carbon atoms, or an oxy-radical.
- R 3 represents any of the atoms or groups represented by R2 in Formula (2).
- Examples of the branched or linear alkyl group having 1 to 30 carbon atoms represented by X 1 in Formula (1) above, R 2 in Formula (2), and R 3 in Formula (3), and the branched or linear alkyl group having 1 to 40 carbon atoms represented by R 1 in Formula (1) include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, sec-pentyl, tert-pentyl, hexyl, heptyl, octyl, isooctyl, 2-ethylhexyl, tert-octyl, nonyl, isononyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, and octade
- the hydroxyalkyl group having 1 to 30 carbon atoms represented by R 2 in Formula (2) and R 3 in Formula (3) is branched or linear, and examples thereof include substitution products such as hydroxyethyl, 2-hydroxypropyl, and 3-hydroxypropyl obtained by substituting the above-mentioned alkyl groups with a hydroxy group.
- the alkoxy group having 1 to 30 carbon atoms represented by R 2 in Formula (2) and R 3 in Formula (3) is branched or linear, and examples thereof include methoxy, ethoxy, propoxy, isopropoxy, butoxy, octoxy, 2-ethylhexyloxy, and undecyloxy that correspond to the above-mentioned alkyl groups.
- the hydroxyalkoxy group having 1 to 30 carbon atoms represented by R 2 in Formula (2) and R 3 in Formula (3) is branched or linear, and examples thereof include hydroxyethyloxy, 2-hydroxypropyloxy, 3-hydroxypropyloxy, 4-hydroxybutyloxy, 2-hydroxy-2-methylpropyloxy, and 6-hydroxyhexyloxy that correspond to the above-mentioned alkoxy groups.
- the alkenyl group having 2 to 30 carbon atoms represented by X 1 in Formula (1) is branched or linear, and examples thereof include vinyl, 1-propenyl, 2-propenyl, 2-methyl-2-propenyl, butenyl, hexenyl, and oleyl.
- a double bond may be located at an ⁇ -position, an internal position, or an ⁇ -position.
- Examples of the alkylidene group having 1 to 40 carbon atoms represented by X 1 in Formula (1) include groups obtained by removing one hydrogen atom from the above-mentioned alkyl groups shown as examples.
- Examples of the alkanetriyl group having 1 to 40 carbon atoms represented by X 1 in Formula (1) include groups obtained by removing two hydrogen atoms from the above-mentioned alkyl groups shown as examples.
- Examples of the alkanetetrayl group having 1 to 40 carbon atoms represented by X 1 in Formula (1) include groups obtained by removing three hydrogen atoms from the above-mentioned alkyl groups shown as examples.
- a hindered amine compound represented by Formula (4) is particularly preferable because excellent weather resistance can be provided to a synthetic resin.
- R 4 represents a hydrogen atom, a hydroxy group, a branched or linear alkyl group having 1 to 30 carbon atoms, a hydroxyalkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a hydroxyalkoxy group having 1 to 30 carbon atoms, or an oxy-radical
- R 5 represents a branched or linear alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, or a group represented by Formula (2).
- the branched or linear alkyl group, hydroxyalkyl group, alkoxy group, or hydroxyalkoxy group having 1 to 30 carbon atoms represented by R 4 in Formula (4) corresponds to R 2 in Formula (2), and it is preferable that the branched or linear alkyl group having 1 to 30 carbon atoms and the alkenyl group having 2 to 30 carbon atoms represented by R 5 in Formula (4) are branched or linear, and these groups correspond to X 1 in Formula (1).
- a compound in which X 1 in Formula (1) above is RA is a mixture of hindered amine compounds in which X 1 in Formula (1) above is an alkyl group having 15 to 17 carbon atoms
- a compound in which X 1 in Formula (1) above is RB is a mixture of hindered amine compounds in which X 1 in Formula (1) above is an alkyl group having 13 to 19 carbon atoms
- a compound in which X 1 in Formula (1) above is R C is a mixture of hindered amine compounds in which X1 in Formula (1) above is an alkyl group having 12 to 24 carbon atoms.
- R 3 in Formula (3) is the branched or linear alkoxy group having 1 to 30 carbon atoms have low basicity and thus are preferable.
- X 1 is a mixture of alkyl groups having 8 to 26 carbon atoms.
- a fatty acid having a predetermined number of carbon atoms and an alcohol having a 2,2,6,6-tetramethyl piperidinol skeleton can be used together and reacted.
- esterification can be achieved through direct esterification between an acid and an alcohol, reaction between an acid halide and an alcohol, ester exchange reaction, or the like, and distillation, recrystallization, a method using a filtering material or an adsorbent, or the like can be used as a purification method as appropriate.
- the followings are examples of a method of mixing the styrene-based elastomer (A) with the above compound (B) in the present invention.
- the method (1) is preferable because it is relatively easy to mix the above elastomer (A) with the above compound (B).
- impregnation refers to impregnation (filling) of pores in a solid with liquid (or infiltration of liquid into pores in a solid), or attachment of minute particles to pores in a solid.
- impregnate it is preferable to impregnate the above elastomer (A) with the above compound (B) as uniformly as possible.
- the above elastomer (A) undergoes surface treatment, drying, and the like such that the elastomer (A) is easily impregnated with the above compound (B).
- an apparatus for mixing the above elastomer (A) with the above compound (B) there is no particular limitation on an apparatus for mixing the above elastomer (A) with the above compound (B), and various mixers, stirring tanks, and rolling tanks can be used. These apparatuses may be provided with a heating and cooling device, a pressure reducing device, a stirring device, a raw material collecting device, an inert gas supplying device, and the like.
- the impregnation may be performed in a batch manner, a semi-batch manner, or a continuous manner.
- the above elastomer (A) may be softened and thus cannot be mixed with the compound (B). Therefore, it is preferable to mix the above elastomer (A) with the above compound (B) at a temperature at which the temperature of the compound (B) is 100°C or lower and the compound (B) is brought into a liquid state or fluid state, and it is more preferable to mix the above elastomer (A) with the above compound (B) at a temperature at which the compound (B) is brought into a liquid state.
- the elastomer (A) may be mixed with the above compound (B) at a temperature that is lower than the melting point of the above compound (B) while the above compound (B) maintains a liquid state or fluid state after being heated and brought into a liquid state or fluid state.
- a preferred temperature (preferred upper limit and range) of the above elastomer (A) that is used to mix the elastomer (A) with the above compound (B) is the same as the preferred temperature (preferred upper limit and range) of the above compound (B) that is used to mix the above elastomer (A) with the compound (B).
- the above elastomer (A) is mixed with the above compound (B) at a specific ratio to form a resin additive composition.
- the above compound (B) which is a low melting point compound that is in a liquid state or fluid state at ordinary temperature.
- "Possible to handle, as a solid,” as used herein do not necessarily require the resin additive composition to be in a solid state, and the resin additive composition may be a mixture of a solid and a liquid or a fluid.
- the content of the above compound (B) in the above elastomer (A) 100 parts by mass of the above elastomer (A) is mixed with 50 to 250 parts by mass of the above compound (B).
- the content of the above compound (B) is preferably 60 to 200 parts by mass, and more preferably 70 to 150 parts by mass.
- the influence on the above elastomer (A) may increase when the resin additive composition of the present invention is blended into a synthetic resin, and if the content of the above compound (B) is larger than the above range, the above compound (B) may flow out of the above elastomer (A).
- the resin additive composition of the present invention may contain known resin additives (e.g., a phenol-based antioxidant, a phosphorus-based antioxidant, a thioether-based antioxidant, an ultraviolet absorber, a hindered amine compound, a nucleating agent, a flame retardant, a flame retardant assistant, a lubricant, a filler, metallic soap, a hydrotalcite, an antistatic agent, a pigment, and a dye) other than the above (B) components as long as the effect of the present invention is not impaired.
- resin additives e.g., a phenol-based antioxidant, a phosphorus-based antioxidant, a thioether-based antioxidant, an ultraviolet absorber, a hindered amine compound, a nucleating agent, a flame retardant, a flame retardant assistant, a lubricant, a filler, metallic soap, a hydrotalcite, an antistatic agent, a pigment, and a dye
- phenol-based antioxidant other than the above (B) components examples include 1,3,5-tris[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-1,3,5-triazine-2,4,6(1H,3 H,5H)trione, 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, 4,4' -butylidenebis(6-tert-butyl-m-cresol), pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate], 3,9-bis[1,1-dimethyl-2-[ ⁇ -(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy]ethyl]2, 4,8,10-tetraoxaspiro[5,5]-undecane, and 1,3,5-trimethyl-2,4,6-tris
- Examples of the phosphorus-based antioxidant other than the above (B) components include 3,9-bis(2,6-di-tert-butyl-4-methylphenoxy)-2,4-8,10-tetraoxa-3,9-diphosphaspiro[5,5]und ecane, 2,4,8,10-tetrakis(1,1-dimethylethyl)-6-[(2-ethylhexyl)oxy]12H-dibenzo[d,g][1,3,2] dioxap hosphocine, and tris(2,4-di-tert-butylphenyl)phosphite.
- Examples of the ultraviolet absorber other than the above (B) components include 2-(2-hydroxy-5-tert-octylphenyl)benzotriazole, 2,2'-methylenebis[6-(benzotriazol-2-yl)-4-tert-octylphenol], 2-(2-hydroxy-5-methylphenyl)benzotriazole, 2-(5-chloro--2-benzotriazolyl)-6-tert-butyl-p-cresol, and 2-(5-chloro-2H-benzotriazol-2-yl)-6-tert-butyl-4-methylphenol.
- nucleating agent examples include metal carboxylates such as sodium benzoate, aluminum 4-tert-butylbenzoate, sodium adipate, and 2-sodium bicyclo[2.2.1]heptane-2,3-dicarboxylate; metal phosphates such as sodium bis(4-tert-butylphenyl)phosphate, sodium-2,2'-methylenebis(4,6-di-tert-butylphenyl)phosphate, and lithium-2,2'-methylenebis(4,6-di-tert-butylphenyl)phosphate; polyhydric alcohol derivatives such as dibenzylidene sorbitol, bis(methylbenzylidene)sorbitol, bis(3,4-dimethylbenzylidene)sorbitol, bis(p-ethylbenzylidene)sorbitol, and bis(dimethylbenzylidene)sorbitol; and amide compounds such as N,N',N"-tris[2-a
- the blend amount of the known resin additives other than the above (B) components in the resin additive composition of the present invention and the resin additive composition obtained through the production method of the present invention is less than 50 mass%, preferably 30 mass% or less, and more preferably 10 mass% or less, in the resin additive composition.
- the resin additive composition of the present invention is blended into a synthetic resin and molded
- known molding methods can be used.
- the synthetic resin is a thermoplastic resin
- molded articles can be obtained by using an injection molding method, an extrusion molding method, a blow molding method, a vacuum molding method, an inflation molding method, a calendering molding method, a slash molding method, a dip molding method, a foaming molding method, or the like.
- molded articles can be obtained by using a compression molding method, an injection molding method, a low-pressure molding method, a laminate molding method, or the like.
- Examples of the above-mentioned synthetic resin include ⁇ -olefin polymers such as polypropylene, high-density polyethylene, low-density polyethylene, linear low-density polyethylene, polybutene-1, and poly-3-methylpentene; polyolefins and copolymers thereof such as an ethylene-vinyl acetate copolymer, an ethylene-ethyl acrylate copolymer, an ethylene-methyl acrylate copolymer, an ethylene-acrylic acid copolymer, an ethylene-methacrylic acid copolymer, an ethylene-vinyl alcohol copolymer, and an ethylene-propylene copolymer; halogen-containing resins such as polyvinyl chloride, polyvinylidene chloride, chlorinated polyethylene, chlorinated polypropylene, polyvinylidene fluoride, chlorinated rubber, a vinyl chloride-vinyl acetate copolymer, a vinyl chloride
- an elastomer such as isoprene rubber, butadiene rubber, acrylonitrile-butadiene copolymer rubber, or styrene-butadiene copolymer rubber may be used.
- These synthetic resins may be used alone or by mixing two or more. It is preferable to use a resin other than a styrene-based elastomer as the synthetic resin.
- the ⁇ -olefin polymers such as polypropylene, high-density polyethylene, low-density polyethylene, linear low-density polyethylene, polybutene-1, and poly-3-methylpentene greatly enhance the effect of the present invention and thus can be preferably used as the above-mentioned synthetic resin.
- polyethylene such as high-density polyethylene, low-density polyethylene, or linear low-density polyethylene is likely to provide the resin additive function of the (B) component and thus can be preferably used.
- the resin additive composition of the present invention or the resin additive composition obtained through the production method of the present invention is blended such that the blend amount of the above (B) component is 0.01 to 10 parts by mass with respect to 100 parts by mass of the above-mentioned synthetic resin. If the blend amount is less than 0.01 parts by mass, effects that are provided by the addition of the (B) component are not exhibited in some cases, and if the blend amount is more than 10 parts by mass, dose-dependent effects are not obtained in some cases, which causes wastefulness.
- ADK STAB LA-81 product name; liquid at ordinary temperature manufactured by ADEKA Corporation, which had been heated to 60°C and brought into a liquid state in advance, was mixed with 100 parts by mass of each medium (in a powder state) shown in Table 1 in a blend amount shown in Table 1 to impregnate the medium therewith, and thus a resin additive composition was produced.
- ADK STAB LA-81 was mixed with 100 parts by mass of polypropylene (in a powder state) having an MFR of 8 g/10 min at 230°C in a blend amount shown in Table 1, granulation was performed through melt kneading at 230°C using a twin-screw extruder to form a masterbatch, and thus a resin additive composition was obtained.
- ADK STAB LA-81 was mixed with 100 parts by mass of low-density polyethylene (in a powder state) having an MFR of 1 g/10 min at 200°C in a blend amount shown in Table 1, granulation was performed through melt kneading at 200°C using a twin-screw extruder to form a masterbatch, and thus a resin additive composition was obtained.
- LA-81 100 Masterbatch formation Poor Comp. Ex. 1-4 LDPE 4) LA-81 2) 10 Masterbatch formation Poor 1) SEBS: hydrogenated styrene-butadiene-styrene copolymer (polystyrene content: 33 mass%, density: 0.91 g/cm 3 , hydrogenation rate: 100%) 2) LA-81: ADK STAB LA-81 (product name) manufactured by ADEKA Corporation; bis(2,2,6,6-tetramethyl-1-undecyloxypiperidin-4-yl) carbonate 3) PP: homopolypropylene having MFR of 8 g/10 min (230°C) 4) LDPE: low-density polyethylene having MFR of 1 g/10 min (200°C)
- a twin-screw extruder was used to perform granulation at an extrusion temperature of 200°C, and thus pellets were obtained.
- the obtained pellets were subjected to compression molding for 5 minutes in conditions of 180°C and 9.8 MPa to produce a film having a thickness of 80 ⁇ m.
- the obtained film was evaluated as described later.
- Comparative Example 2-4 a film was obtained through processing performed in the same blend amount and conditions as those in Example 2-1, except that SEBS was not impregnated with ADK STAB LA-81 but SEBS and ADK STAB LA-81 were separately added to low-density polyethylene in the production process (steps in Example 1-1) of the resin additive composition in Example 2-1.
- the molded article had a favorable external appearance and feed properties.
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Description
- The present invention relates to a method for producing a resin additive composition that improves handleability of a low melting point composition. More specifically, by mixing a styrene-based elastomer with a resin additive in a liquid state or fluid state to form a solid, an excellent blocking resistance (storage stability) effect is provided. Moreover, the present invention relates to a method for improving handleability of a low melting point composition. More specifically, the present invention relates to a resin additive composition obtained by mixing a styrene-based elastomer with a resin additive having a melting point of 100°C or lower to form a solid so as to improve the handleability.
- Liquid compounds or low melting point compounds that are likely to turn into a liquid state in a high temperature environment or by pressure application are more difficult to handle compared with solid compounds, and therefore, various methods for improving the handleability have been conventionally investigated.
- For example, hindered amine compounds obtained by reacting stearyl(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, or a 2,2,6,6-tetramethyl piperidinol with a fatty acid are resin additives that provide excellent weather resistance. However, the hindered amine compounds have a low molecular weight and are likely to turn into a liquid state, and liquid products thereof are viscous and have poor handleability.
- With regard to a method for improving the handleability of a low melting point compound, Patent Literature 1 proposes a method of impregnating therewith an inorganic substance in a powder state having an oil absorption of 150 ml/100 g or more, for example. Patent Literature 2 proposes a method of forming a masterbatch thereof by blending it into a resin. Patent Literature 3 states that a metal salt of an organic acid is used to form a masterbatch thereof, thus suppressing stickiness and preventing breakage of strands or exudation from the masterbatch during granulation. Patent Literature 4 proposes a microencapsulation method. Patent Literature 5 proposes a masterbatch obtained by blending a resin additive, an inorganic layered compound, a metal salt of aromatic phosphate, and a benzotriazole-based ultraviolet absorber into a polyolefin resin.
- A super absorbent polymer is a cross-linked polymer containing sodium polyacrylate as a main component, and it is known that water, which is a liquid, is absorbed by the super absorbent polymer and thus can turn into a solid through gelation. It is also known that a gelling agent is used to cause waste cooking oil to turn into a solid in order to dispose it as a combustible waste.
-
- Patent Literature 1 :
US 2009/088513A1 - Patent Literature 2 :
JP 2003-41008A - Patent Literature 3 :
US 2013/065994A1 - Patent Literature 4 :
US 5837759A - Patent Literature 5 :
EP 2980129A1 - However, in the method of impregnating an inorganic substance, a mixing apparatus may be worn when impregnation is performed while stirring the inorganic substance. Moreover, when an inorganic substance is blended into a synthetic resin, there are cases where the transparency of a molded article is impaired, the weight of a molded article is increased, and stable production cannot be achieved due to the production of defective products in a fiber application or a film application.
- With regard to the method of impregnation of an organic substance, a method of impregnation of a vinyl chloride resin, an elastomer, or the like is conceivable, but a problem arises in that compatibility with a resin serving as a matrix needs to be taken into consideration. When impregnation of an organic substance that has poor compatibility with the matrix is performed, the transparency of the resin may be impaired, and the properties may deteriorate.
- Patent Literature 2 proposes a method of forming a masterbatch to bring an additive in a liquid state into a solid state. Patent Literature 3 proposes a method of forming a masterbatch by blending a resin additive in a liquid state, a metal salt of an organic acid other than a fatty acid, and a gelling agent into a crystalline resin. Patent Literature 5 proposes a method of forming a masterbatch by blending an inorganic layered compound. However, the masterbatch may be colored, or the low melting point compound may deteriorate or volatilize, depending on a temperature at which the masterbatch is formed.
- The formation of a masterbatch is a method of melting and kneading a resin, and therefore, a problem arises in that energy consumption increases. Moreover, the masterbatch may be blocked due to the exudation of the low melting point compound from the masterbatch over time, and this causes a problem in that the blend amount of the low melting point compound has to be limited.
- It is expensive to perform the microencapsulation method in Patent Literature 4. When the crystallization is promoted, the handleability is improved compared with an amorphous substance, but this method cannot be used for a liquid article. Furthermore, if a crystallized article has a low melting point, a caking prevention effect is reduced, and thus the handleability is insufficiently improved. Moreover, in a gelation method, flowing out may easily occur merely through the application of a little pressure, and a gelling agent may decompose during processing to color the resin additive composition in a case where the gelling agent has insufficient thermal resistance.
- Therefore, an object of the present invention, which relates to a production method for improving handleability of a resin additive that is a low melting point compound, is to provide a method for producing a resin additive composition that has excellent blocking resistance (storage stability) and can be blended into a synthetic resin to provide a resin additive function without greatly impairing the properties derived from the resin, even in an environment in which a temperature varies significantly, for example.
- In addition, an object of the present invention, which relates to improving handleability of a resin additive that is a low melting point compound, is to provide a resin additive composition that can prevent blocking during storage at ordinary temperature when a low melting point compound is used as a resin additive, for example, and that can be blended into a resin to provide an excellent stabilizing effect without greatly impairing the properties such as transparency derived from the resin.
- The inventors of the present invention conducted intensive research in order to solve the foregoing problems. As a result, the foregoing problems were solved by mixing a styrene-based elastomer with a low melting point compound.
- That is, the present invention provides a method for producing a resin additive composition, the method according to claim 1 being a method for handling, as a solid, a compound that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer, the method including mixing 100 parts by mass of a styrene-based elastomer (A) with 50 to 250 parts by mass of a compound (B) that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer, wherein the compound (B) is a resin additive having a melting point of 100°C or lower.
- In addition, the present invention provides a resin additive composition according to claim 4 containing 50 to 250 parts by mass of a compound (B) that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer with respect to 100 parts by mass of a styrene-based elastomer (A). Hereinafter, "(A) styrene-based elastomer" is referred to merely as "above elastomer (A)" or "(A) component", and "compound that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer" is referred to merely as "compound (B)", "(B) component", or the like. The "method for handling, as a solid," as used herein refers to a method of mixing an (A) component in a solid state with a (B) component that is a solution or in a fluid state, and encompasses a case where an (A) component is mixed with a heated (B) component and then cooled so that the (B) component turns into a solid. "Mixing an (A) component with a (B) component" means that both the components are caused to coexist in a contact state.
- In the production method of the present invention, it is preferable to mix the above compound (B) in a liquid state or fluid state with the above elastomer (A) in a solid state to impregnate the above elastomer (A) with the compound (B). It is preferable that the resin additive composition of the present invention is in a state in which the above elastomer (A) is impregnated with the above compound (B).
- In the present invention, a resin additive having a melting point of 100°C or lower is used as the above compound (B). All descriptions of the compound (B) below apply to resin additives having a melting point of 100°C or lower unless otherwise stated.
- In the present invention, a hydrogenated styrene-butadiene-styrene copolymer is preferably used as the above elastomer (A).
- In the present invention, out of resin additives having a melting point of 100°C or lower, a compound selected from a hindered amine compound, or an NO-alkyl type hindered amine compound having a triazine structure or a spiroglycol structure is used as the above compound (B).
-
- (In Formula (1), A1 represents -O-(CH2CH2)a-, -(OCH2CH2)a-, -(CH2CH2)a-O-, -(CH2CH2O)a-, -CH2CH2-(C=O)-, -O-(C=O)-, -(C=O)-O-, -O-(C=O)-O-, -NH-, -NH-(CH2CH2)a-, -NH-CH2CH2-(C=O)-O-, or a combination thereof, a represents an integer between 1 and 100, and j represents an integer between 1 to 4;
when j is 1,X1 represents a hydrogen atom, a hydroxy group, a branched or linear alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, or a group represented by Formula (2) or Formula (3), and
R1 represents a group represented by Formula (3);
when j is 2,
X1 represents an alkylidene group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3);
when j is 3,
X1 represents an alkanetriyl group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3); and
when j is 4,
X1 represents an alkanetetrayl group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3) excluding a compound having a peroxide structure.) -
- (In Formula (4), R4 represents a hydrogen atom, a hydroxy group, a branched or linear alkyl group having 1 to 30 carbon atoms, a hydroxyalkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a hydroxyalkoxy group having 1 to 30 carbon atoms, or an oxy-radical, and R5 represents a branched or linear alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, or a group represented by Formula (2).)
- In addition to the compound represented by Formula (1) above, a preferred example of the hindered amine compound serving as the above compound (B) is an NO-alkyl type hindered amine compound having a triazine structure or a spiroglycol structure.
- It is preferable that the resin additive composition of the present invention can be obtained by mixing the styrene-based elastomer (A) with the above compound (B) in a liquid state or fluid state and thus be handled as a solid.
- A synthetic resin composition of the present invention according to claim 6 contains the resin additive composition, wherein the component (B) contained in the resin additive composition is contained in a range of an amount of 0.01 to 10 parts by mass with respect to 100 parts by mass of a synthetic resin.
- In the present invention, it is preferable that the synthetic resin is a polyethylene resin.
- With the production method of the present invention, the above compound (B) can turn into a solid without heating and melting the styrene-based elastomer (A), thus making it possible to prevent the deterioration of the above compound (B) due to heating and to produce a resin additive composition that has excellent properties of retaining the above compound (B). Moreover, an excellent blocking resistance (storage stability) effect is provided even in an environment in which a temperature varies significantly.
- With the resin additive composition of the present invention, the above compound (B) can turn into a solid without heating and melting the styrene-based elastomer (A), and therefore, the deterioration of the above compound (B) due to heating can be prevented, and the resin additive composition has excellent properties of retaining the above compound (B). Moreover, blending the resin additive composition into a synthetic resin makes it possible to provide the effect of a resin additive without greatly impairing the properties of the synthetic resin.
- Hereinafter, an embodiment of the present invention will be described specifically.
- The styrene-based elastomer (A) in the present invention includes a block copolymer (X) of aromatic vinyl compounds such as styrene, α-methylstyrene, 3-methylstyrene, and 4-propylstyrene, and a block copolymer (Y) of conjugated diene monomers such as butadiene, isoprene, and a mixture thereof. Butadiene, isoprene, or a mixture of isoprene and butadiene is preferably used as the conjugated diene monomer from the viewpoint of the low-temperature properties and flexibility of the obtained block copolymer and a composition including this block copolymer. Moreover, it is preferable to hydrogenate a double bond based on a conjugated diene in a block copolymer (Y) constituted by the conjugated dienes. This hydrogenation rate is 60% or higher and preferably 80% or higher. If the hydrogenation rate is lower than 60%, problems of thermal deterioration during molding and preservability of the obtained resin additive composition may arise.
- The styrene-based elastomer in the present invention includes two or more block copolymers (X) of aromatic vinyl compounds and one or more block copolymers (Y) of conjugated dienes, and its form is represented by X-(Y-X)u or (X-Y)t where u represents an integer of 1 or greater and t represents an integer of 2 or greater. It is preferable that the styrene-based elastomer in the present invention has a form of X-Y-X.
- In the present invention, the density of the (A) styrene-based elastomer is preferably 1 g/cm3 or less, and more preferably 0.89 g/cm3 to 0.98 g/cm3.
- The content of polystyrene in the (A) styrene-based elastomer is preferably 5 mass% or more and 80 mass% or less, and more preferably 10 mass% or more and 70 mass% or less. The content of polystyrene can be measured using a method of measuring iodination in accordance with the Wijs method.
- The styrene-based elastomer (A) used in the production method of the present invention and the styrene-based elastomer (A) contained in the resin additive composition are preferably in a powder form, and more preferably in a powder form that particularly has a volume averaged particle diameter of preferably 0.01 µm to 5 mm and more preferably 0.1 µm to 500 µm. The volume averaged particle diameter of the styrene-based elastomer refers to a numerical value obtained through calculation in accordance with the following formula when transmission electron micrographs of samples obtained by using an ultrathin section method are taken and the circle equivalent particle diameters of 1000 styrene-based elastomer particles are measured.
- Examples of the styrene-based elastomer (A) used in the present invention include butadiene-styrene copolymers (including all of random copolymers, block copolymers, graft copolymers, and the like) and hydrogenated products thereof such as a styrene-butadiene-styrene copolymer (e.g., SBS), a hydrogenated styrene-butadiene-styrene copolymer (e.g., SEBS), a hydrogenated styrene-butadiene copolymer (e.g., HSBR), and a hydrogenated styrene-butadiene-olefin crystal block copolymer (e.g., SEBC); and isoprene-styrene copolymers (including all of random copolymers, block copolymers, graft copolymers, and the like) and hydrogenated products thereof such as a hydrogenated styrene-isoprene copolymer (e.g., SEP), a hydrogenated styrene-vinylisoprene copolymer (e.g., V-SEPS), a styrene-isoprene-styrene copolymer (e.g., SIS), and a hydrogenated styrene-isoprene-styrene copolymer (e.g., SEPS). These copolymers may be used alone or in combination of two or more.
- In the present invention, in particular, a hydrogenated styrene-butadiene-styrene copolymer is preferably used as the styrene-based elastomer (A).
- Next, the "compound (B) that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer" in the present invention refers to a compound having a melting point of 100°C or lower, a compound having a melting point of higher than 100°C that can maintain a liquid state or fluid state in which fluidity is exhibited for 30 minutes or longer after being heated to a temperature higher than or equal to the melting point to be brought into a liquid state or fluid state and then cooled to 100°C, and a compound having a melting point of higher than 100°C whose melting point is lowered to 100°C or lower when the compound is blended with another compound.
- In the present invention, a compound having a melting point of 100°C or lower is preferable because complex treatment is not required, and more preferably, a compound having a melting point of 50°C or lower, particularly a compound that is brought into a liquid state at 25°C, is preferable because a handleability improving effect obtained through the formation of a solid becomes prominent. In this specification, "state in which fluidity is exhibited" mentioned above is also referred to as "fluid state".
- The state of the above compound (B) in which fluidity is exhibited refers to a state in which a substance in a solid phase moves or flows without adhering to each other into a larger size in an ambient condition, and the viscosity measured using a B-type viscometer in conformity with JIS K5101-6-2 (2004) is 30,000 mPa·s or lower and preferably 10,000 Pa·s or lower, for example.
- The state of the above compound (B) in which fluidity is exhibited may be a state in which a liquid phase and a solid phase coexist. In the present invention, a state in which a solid phase can be uniformly dispersed in a liquid phase is preferable.
- Regarding the above compound (B), examples of the compound whose melting point is lowered to 100°C or lower when the compound is blended with another compound include aliphatic alcohols and ester compounds made of a fatty acid, and preferred examples thereof include mixed ester compounds (mixed ester compounds) obtained from mixed alcohol and mixed fatty acid, and mixed amide compounds (mixed amide compounds).
- In the present invention, the melting point is measured in a condition of a temperature rising speed of 1°C/min using a melting point measurement apparatus (model number: MP-90) manufactured by Mettler-Toledo. However, the melting point of a polymer cannot be measured using this apparatus, and therefore, regarding the melting point of a polymer, a polymer is heated at a temperature rising speed of 1°C/min under observation using a microscope, and a temperature at which the polymer melts is taken as the melting point of the polymer.
- "Liquid at ordinary temperature" as used in the present invention refers to being in a liquid state in a condition of a temperature of 25°C.
- In the resin additive composition of the present invention, the compound (B) is a hindered amine compound, or an NO-alkyl type hindered amine compound having a triazine structure or a spiroglycol structure, and has a melting point of 100°C or lower.
- Examples of the hindered amine compound that has a melting point of 100°C or lower and serves as the above compound (B) include bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate (melting point: 82 to 87°C), bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate (liquid at ordinary temperature), methyl-1,2,2,6,6-pentamethyl-4-piperidyl sebacate (liquid at ordinary temperature), bis(1-octyloxy-2,2,6,6-pentamethyl-4-piperidyl) sebacate (melting point: 82 to 85°C), bis(1-undecanoxy-2,2,6,6-tetramethylpiperidyl-4-yl) carbonate (liquid at ordinary temperature), 1,2,2,6,6-pentamethyl-4-piperidyl methacrylate (liquid at ordinary temperature), 2,2,6,6-tetramethyl-4-piperidyl methacrylate (liquid at ordinary temperature), tetrakis(1,2,2,6,6-pentamethyl-4-piperidyl) butane- 1,2,3,4-tetracarboxylate (melting point: >65°C), dimethyl-1-(2-hydroxyethyl)-4-hydroxy-2,2,6,6-tetramethyl-4-piperidine succinate polycondensate (Mw=3100 to 4000, melting point: 50 to 70°C), a mixture of bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate and methyl-1,2,2,6,6-pentamethyl-4-piperidyl sebacate (Tinuvin765 (former product name) manufactured by BASF, liquid at ordinary temperature), bis[2,2,6,6-tetramethyl-1-(octyloxy)piperidin-4-yl] decanedioate (liquid at ordinary temperature), a light stabilizer Tinuvin791 (product name) manufactured by BASF (melting point: 55°C), a light stabilizer Tinuvin783 (former product name) manufactured by BASF (melting point: 55 to 140°C), ADK STAB LA-81 (product name) manufactured by ADEKA Corporation (liquid at ordinary temperature), ADK STAB LA-62 (product name) manufactured by ADEKA Corporation (liquid at ordinary temperature), ADK STAB LA-67 (product name) manufactured by ADEKA Corporation (liquid at ordinary temperature), ADK STAB LA-68 (product name) manufactured by ADEKA Corporation (melting point: 70 to 80°C), ADK STAB LA-63 (product name) manufactured by ADEKA Corporation (melting point: 80 to 90°C), Sanduvor 3050 (product name) manufactured by Clariant Japan (liquid at ordinary temperature), Sanduvor 3052 (product name) manufactured by Clariant Japan (liquid at ordinary temperature), and Sanduvor 3058 (product name) manufactured by Clariant Japan (liquid at ordinary temperature).
-
- (In Formula (1), A1 represents -O-(CH2CH2)a-, -(OCH2CH2)a-, -(CH2CH2) a-O-, -(CH2CH2O)a-, -CH2CH2-(C=O)-, -O-(C=O)-, -(C=O)-O-, -O-(C=O)-O-, -NH-, -NH-(CH2CH2)a-, -NH-CH2CH2-(C=O)-O-, or a combination thereof, a represents an integer between 1 and 100, and j represents an integer between 1 to 4;
when j is 1,
X1 represents a hydrogen atom, a hydroxy group, a branched or linear alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, or a group represented by Formula (2) or Formula (3), and
R1 represents a group represented by Formula (3);
when j is 2,
X1 represents an alkylidene group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3);
when j is 3,
X1 represents an alkanetriyl group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3); and
when j is 4,
X1 represents an alkanetetrayl group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3) excluding a compound having a peroxide structure.) -
- (In the formula, R3 represents any of the atoms or groups represented by R2 in Formula (2).)
- Examples of the branched or linear alkyl group having 1 to 30 carbon atoms represented by X1 in Formula (1) above, R2 in Formula (2), and R3 in Formula (3), and the branched or linear alkyl group having 1 to 40 carbon atoms represented by R1 in Formula (1) include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, sec-pentyl, tert-pentyl, hexyl, heptyl, octyl, isooctyl, 2-ethylhexyl, tert-octyl, nonyl, isononyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, and octadecyl. R1 and R2 are optionally the same or different.
- It is preferable that the hydroxyalkyl group having 1 to 30 carbon atoms represented by R2 in Formula (2) and R3 in Formula (3) is branched or linear, and examples thereof include substitution products such as hydroxyethyl, 2-hydroxypropyl, and 3-hydroxypropyl obtained by substituting the above-mentioned alkyl groups with a hydroxy group.
- It is preferable that the alkoxy group having 1 to 30 carbon atoms represented by R2 in Formula (2) and R3 in Formula (3) is branched or linear, and examples thereof include methoxy, ethoxy, propoxy, isopropoxy, butoxy, octoxy, 2-ethylhexyloxy, and undecyloxy that correspond to the above-mentioned alkyl groups.
- It is preferable that the hydroxyalkoxy group having 1 to 30 carbon atoms represented by R2 in Formula (2) and R3 in Formula (3) is branched or linear, and examples thereof include hydroxyethyloxy, 2-hydroxypropyloxy, 3-hydroxypropyloxy, 4-hydroxybutyloxy, 2-hydroxy-2-methylpropyloxy, and 6-hydroxyhexyloxy that correspond to the above-mentioned alkoxy groups.
- It is preferable that the alkenyl group having 2 to 30 carbon atoms represented by X1 in Formula (1) is branched or linear, and examples thereof include vinyl, 1-propenyl, 2-propenyl, 2-methyl-2-propenyl, butenyl, hexenyl, and oleyl. A double bond may be located at an α-position, an internal position, or an ω-position.
- Examples of the alkylidene group having 1 to 40 carbon atoms represented by X1 in Formula (1) include groups obtained by removing one hydrogen atom from the above-mentioned alkyl groups shown as examples.
- Examples of the alkanetriyl group having 1 to 40 carbon atoms represented by X1 in Formula (1) include groups obtained by removing two hydrogen atoms from the above-mentioned alkyl groups shown as examples.
- Examples of the alkanetetrayl group having 1 to 40 carbon atoms represented by X1 in Formula (1) include groups obtained by removing three hydrogen atoms from the above-mentioned alkyl groups shown as examples.
-
- (In Formula (4), R4 represents a hydrogen atom, a hydroxy group, a branched or linear alkyl group having 1 to 30 carbon atoms, a hydroxyalkyl group having 1 to 30 carbon atoms, an alkoxy group having 1 to 30 carbon atoms, a hydroxyalkoxy group having 1 to 30 carbon atoms, or an oxy-radical, and R5 represents a branched or linear alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, or a group represented by Formula (2).)
- The branched or linear alkyl group, hydroxyalkyl group, alkoxy group, or hydroxyalkoxy group having 1 to 30 carbon atoms represented by R4 in Formula (4) corresponds to R2 in Formula (2), and
it is preferable that the branched or linear alkyl group having 1 to 30 carbon atoms and the alkenyl group having 2 to 30 carbon atoms represented by R5 in Formula (4) are branched or linear, and these groups correspond to X1 in Formula (1). - More specific examples of the compounds represented by Formula (1) used in the present invention include the compounds below.
- It should be noted that a compound in which X1 in Formula (1) above is RA is a mixture of hindered amine compounds in which X1 in Formula (1) above is an alkyl group having 15 to 17 carbon atoms, a compound in which X1 in Formula (1) above is RB is a mixture of hindered amine compounds in which X1 in Formula (1) above is an alkyl group having 13 to 19 carbon atoms, and a compound in which X1 in Formula (1) above is RC is a mixture of hindered amine compounds in which X1 in Formula (1) above is an alkyl group having 12 to 24 carbon atoms.
- Out of the compounds represented by Formula (1) above, compounds in which R3 in Formula (3) is the branched or linear alkoxy group having 1 to 30 carbon atoms have low basicity and thus are preferable. In addition, it is preferable that X1 is a mixture of alkyl groups having 8 to 26 carbon atoms.
- In a method for synthesizing the compound represented by Formula (1) above, a fatty acid having a predetermined number of carbon atoms and an alcohol having a 2,2,6,6-tetramethyl piperidinol skeleton can be used together and reacted. For example, esterification can be achieved through direct esterification between an acid and an alcohol, reaction between an acid halide and an alcohol, ester exchange reaction, or the like, and distillation, recrystallization, a method using a filtering material or an adsorbent, or the like can be used as a purification method as appropriate.
- The followings are examples of a method of mixing the styrene-based elastomer (A) with the above compound (B) in the present invention.
-
- (1) A method of mixing the above compound (B) and the styrene-based elastomer (A) that have been brought into a liquid state or fluid state through heating as needed at atmospheric pressure or a reduced pressure to impregnate the styrene-based elastomer (A) with the compound (B).
- (2) A method of mixing the above compound (B) in a solid state with the styrene-based elastomer (A) to attach the compound (B), which is still in the solid state, to the styrene-based elastomer (A) at atmospheric pressure or a reduced pressure.
- (3) A method of mixing a composition obtained by adding a solvent to the above compound (B) to form a solution or to set the melting point to 100°C or lower with the styrene-based elastomer (A) at atmospheric pressure or under vacuum and then distilling off the solvent.
- (4) A method of causing the styrene-based elastomer (A) to support the above compound (B) on the surface and then applying pressure to fill the pores in the styrene-based elastomer (A) with the compound (B).
- (5) A method of veporizing the above compound (B) and then causing the styrene-based elastomer (A) to absorb the compound (B) in a gas state.
- In the present invention, the method (1) is preferable because it is relatively easy to mix the above elastomer (A) with the above compound (B).
- It should be noted that "impregnation" as used in the present invention refers to impregnation (filling) of pores in a solid with liquid (or infiltration of liquid into pores in a solid), or attachment of minute particles to pores in a solid. In the present invention, it is preferable to impregnate the above elastomer (A) with the above compound (B) as uniformly as possible. Moreover, it is preferable that the above elastomer (A) undergoes surface treatment, drying, and the like such that the elastomer (A) is easily impregnated with the above compound (B).
- There is no particular limitation on an apparatus for mixing the above elastomer (A) with the above compound (B), and various mixers, stirring tanks, and rolling tanks can be used. These apparatuses may be provided with a heating and cooling device, a pressure reducing device, a stirring device, a raw material collecting device, an inert gas supplying device, and the like.
- The impregnation may be performed in a batch manner, a semi-batch manner, or a continuous manner.
- When a temperature of the above compound (B) that is used to mix the above elastomer (A) with the compound (B) exceeds 100°C, the above elastomer (A) may be softened and thus cannot be mixed with the compound (B). Therefore, it is preferable to mix the above elastomer (A) with the above compound (B) at a temperature at which the temperature of the compound (B) is 100°C or lower and the compound (B) is brought into a liquid state or fluid state, and it is more preferable to mix the above elastomer (A) with the above compound (B) at a temperature at which the compound (B) is brought into a liquid state. The elastomer (A) may be mixed with the above compound (B) at a temperature that is lower than the melting point of the above compound (B) while the above compound (B) maintains a liquid state or fluid state after being heated and brought into a liquid state or fluid state. In the present invention, it is preferable to use a method of mixing the elastomer (A) with the above compound (B) at a temperature at which the above compound (B) does not deteriorate or volatilize, and it is more preferable to set the temperature to 15 to 60°C from the viewpoint that a favorable working environment is maintained. A preferred temperature (preferred upper limit and range) of the above elastomer (A) that is used to mix the elastomer (A) with the above compound (B) is the same as the preferred temperature (preferred upper limit and range) of the above compound (B) that is used to mix the above elastomer (A) with the compound (B).
- In the present invention, the above elastomer (A) is mixed with the above compound (B) at a specific ratio to form a resin additive composition. This makes it possible to handle, as a solid, the above compound (B), which is a low melting point compound that is in a liquid state or fluid state at ordinary temperature. "Possible to handle, as a solid," as used herein do not necessarily require the resin additive composition to be in a solid state, and the resin additive composition may be a mixture of a solid and a liquid or a fluid.
- Regarding the content of the above compound (B) in the above elastomer (A), 100 parts by mass of the above elastomer (A) is mixed with 50 to 250 parts by mass of the above compound (B). The content of the above compound (B) is preferably 60 to 200 parts by mass, and more preferably 70 to 150 parts by mass.
- If the content of the above compound (B) is smaller than the above range, the influence on the above elastomer (A) may increase when the resin additive composition of the present invention is blended into a synthetic resin, and if the content of the above compound (B) is larger than the above range, the above compound (B) may flow out of the above elastomer (A).
- When the above elastomer (A) is impregnated with the above compound (B), it is preferable to perform adjustment such as performing impregnation under a reduced pressure so that there is no gas in a void in the above compound (A). Moreover, the resin additive composition of the present invention may contain known resin additives (e.g., a phenol-based antioxidant, a phosphorus-based antioxidant, a thioether-based antioxidant, an ultraviolet absorber, a hindered amine compound, a nucleating agent, a flame retardant, a flame retardant assistant, a lubricant, a filler, metallic soap, a hydrotalcite, an antistatic agent, a pigment, and a dye) other than the above (B) components as long as the effect of the present invention is not impaired.
- Examples of the phenol-based antioxidant other than the above (B) components include 1,3,5-tris[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-1,3,5-triazine-2,4,6(1H,3 H,5H)trione, 1,1,3-tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane, 4,4' -butylidenebis(6-tert-butyl-m-cresol), pentaerythritol tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate], 3,9-bis[1,1-dimethyl-2-[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy]ethyl]2, 4,8,10-tetraoxaspiro[5,5]-undecane, and 1,3,5-trimethyl-2,4,6-tris(3 ',5 '-di-tert-butyl-4'-hydroxybenzyl)benzene.
- Examples of the phosphorus-based antioxidant other than the above (B) components include 3,9-bis(2,6-di-tert-butyl-4-methylphenoxy)-2,4-8,10-tetraoxa-3,9-diphosphaspiro[5,5]und ecane, 2,4,8,10-tetrakis(1,1-dimethylethyl)-6-[(2-ethylhexyl)oxy]12H-dibenzo[d,g][1,3,2] dioxap hosphocine, and tris(2,4-di-tert-butylphenyl)phosphite.
- Examples of the ultraviolet absorber other than the above (B) components include 2-(2-hydroxy-5-tert-octylphenyl)benzotriazole, 2,2'-methylenebis[6-(benzotriazol-2-yl)-4-tert-octylphenol], 2-(2-hydroxy-5-methylphenyl)benzotriazole, 2-(5-chloro--2-benzotriazolyl)-6-tert-butyl-p-cresol, and 2-(5-chloro-2H-benzotriazol-2-yl)-6-tert-butyl-4-methylphenol.
- Examples of the nucleating agent include metal carboxylates such as sodium benzoate, aluminum 4-tert-butylbenzoate, sodium adipate, and 2-sodium bicyclo[2.2.1]heptane-2,3-dicarboxylate; metal phosphates such as sodium bis(4-tert-butylphenyl)phosphate, sodium-2,2'-methylenebis(4,6-di-tert-butylphenyl)phosphate, and lithium-2,2'-methylenebis(4,6-di-tert-butylphenyl)phosphate; polyhydric alcohol derivatives such as dibenzylidene sorbitol, bis(methylbenzylidene)sorbitol, bis(3,4-dimethylbenzylidene)sorbitol, bis(p-ethylbenzylidene)sorbitol, and bis(dimethylbenzylidene)sorbitol; and amide compounds such as N,N',N"-tris[2-methylcyclohexyl]-1,2,3-propane tricarboxamide, N,N',N"-tricyclohexyl-1,3,5-benzene tricarboxamide, N,N'-dicyclohexylnaphthalene dicarboxamide, and 1,3,5-tri(dimethylisopropoylamino)benzene.
- The blend amount of the known resin additives other than the above (B) components in the resin additive composition of the present invention and the resin additive composition obtained through the production method of the present invention is less than 50 mass%, preferably 30 mass% or less, and more preferably 10 mass% or less, in the resin additive composition.
- When the resin additive composition of the present invention is blended into a synthetic resin and molded, known molding methods can be used. For example, when the synthetic resin is a thermoplastic resin, molded articles can be obtained by using an injection molding method, an extrusion molding method, a blow molding method, a vacuum molding method, an inflation molding method, a calendering molding method, a slash molding method, a dip molding method, a foaming molding method, or the like.
- When the synthetic resin is a curable resin that can be cured by heat, light, radiation, or the like, molded articles can be obtained by using a compression molding method, an injection molding method, a low-pressure molding method, a laminate molding method, or the like.
- Examples of the above-mentioned synthetic resin include α-olefin polymers such as polypropylene, high-density polyethylene, low-density polyethylene, linear low-density polyethylene, polybutene-1, and poly-3-methylpentene; polyolefins and copolymers thereof such as an ethylene-vinyl acetate copolymer, an ethylene-ethyl acrylate copolymer, an ethylene-methyl acrylate copolymer, an ethylene-acrylic acid copolymer, an ethylene-methacrylic acid copolymer, an ethylene-vinyl alcohol copolymer, and an ethylene-propylene copolymer; halogen-containing resins such as polyvinyl chloride, polyvinylidene chloride, chlorinated polyethylene, chlorinated polypropylene, polyvinylidene fluoride, chlorinated rubber, a vinyl chloride-vinyl acetate copolymer, a vinyl chloride-ethylene copolymer, a vinyl chloride-vinylidene chloride copolymer, a vinyl chloride-vinylidene chloride-vinyl acetate terpolymer, a vinyl chloride-acrylic ester copolymer, a vinyl chloride-maleic ester copolymer, and vinyl chloride-cyclohexylmaleimide copolymer; a petroleum resin; a coumarone resin; polystyrene; polyvinyl acetate; an acrylic resin; copolymers (e.g., an AS resin, an ABS resin, an MBS resin, and thermal resistant ABS resin) between styrene and/or α-methylstyrene and another monomer (e.g., maleic anhydride, phenylmaleimide, methyl methacrylate, butadiene, and acrylonitrile); linear polyesters such as polymethyl methacrylate, polyvinyl alcohol, polyvinyl formal, polyvinyl butyral, polyethylene terephthalate, and polybutylene terephthalate; polyamides such as polyphenylene oxide, polycaprolactam, and polyhexamethylene adipamide; thermoplastic resins and blends thereof such as polycarbonate, polycarbonate/ABS resin, branched polycarbonate, polyacetal, polyphenylene sulfide, polyurethane, triacetyl cellulose, and a fibrous resin; and thermosetting resins such as a phenol resin, a urea resin, a melamine resin, an epoxy resin, and an unsaturated polyester resin. Furthermore, an elastomer such as isoprene rubber, butadiene rubber, acrylonitrile-butadiene copolymer rubber, or styrene-butadiene copolymer rubber may be used. These synthetic resins may be used alone or by mixing two or more. It is preferable to use a resin other than a styrene-based elastomer as the synthetic resin.
- The α-olefin polymers such as polypropylene, high-density polyethylene, low-density polyethylene, linear low-density polyethylene, polybutene-1, and poly-3-methylpentene greatly enhance the effect of the present invention and thus can be preferably used as the above-mentioned synthetic resin. In particular, polyethylene such as high-density polyethylene, low-density polyethylene, or linear low-density polyethylene is likely to provide the resin additive function of the (B) component and thus can be preferably used.
- It is desirable that the resin additive composition of the present invention or the resin additive composition obtained through the production method of the present invention is blended such that the blend amount of the above (B) component is 0.01 to 10 parts by mass with respect to 100 parts by mass of the above-mentioned synthetic resin. If the blend amount is less than 0.01 parts by mass, effects that are provided by the addition of the (B) component are not exhibited in some cases, and if the blend amount is more than 10 parts by mass, dose-dependent effects are not obtained in some cases, which causes wastefulness.
- Hereinafter, the present invention will be described by way of examples and comparative examples. It should be noted that, regarding the materials used in the descriptions below, when temperatures prior to mixing with other materials are not mentioned, the temperature prior to mixing is ordinary temperature (25°C).
- ADK STAB LA-81 (product name; liquid at ordinary temperature) manufactured by ADEKA Corporation, which had been heated to 60°C and brought into a liquid state in advance, was mixed with 100 parts by mass of each medium (in a powder state) shown in Table 1 in a blend amount shown in Table 1 to impregnate the medium therewith, and thus a resin additive composition was produced.
- ADK STAB LA-81 was mixed with 100 parts by mass of polypropylene (in a powder state) having an MFR of 8 g/10 min at 230°C in a blend amount shown in Table 1, granulation was performed through melt kneading at 230°C using a twin-screw extruder to form a masterbatch, and thus a resin additive composition was obtained.
- ADK STAB LA-81 was mixed with 100 parts by mass of low-density polyethylene (in a powder state) having an MFR of 1 g/10 min at 200°C in a blend amount shown in Table 1, granulation was performed through melt kneading at 200°C using a twin-screw extruder to form a masterbatch, and thus a resin additive composition was obtained.
- 200 g of each of the resin additive compositions obtained in Examples 1-1 and 1-2 and Comparative Examples 1-1 to 1-4 was placed in a beaker and allowed to stand at ordinary temperature (20 to 25°C) for one month, and then the surface state was observed. The case where the flow of the resin additive (LA-81) out of the surface of the resin additive composition was observed was evaluated as "Poor", and the case where the external appearance did not change was evaluated as "Good". Table 1 shows the results.
Table 1 Medium Resin additive having a melting point of 100°C or lower Blend amount (parts by mass) Production method Retaining properties Ex. 1-1 SEBS1) LA-812) 100 Impregnation Good Ex. 1-2 SEBS1) LA-812) 120 Impregnation Good Comp. Ex. 1-1 SEBS1) LA-812) 300 Impregnation Poor Comp. Ex. 1-2 PP3) LA-812) 10 Impregnation Poor Comp. Ex. 1-3 PP3) LA-812) 100 Masterbatch formation Poor Comp. Ex. 1-4 LDPE4) LA-812) 10 Masterbatch formation Poor 1) SEBS: hydrogenated styrene-butadiene-styrene copolymer (polystyrene content: 33 mass%, density: 0.91 g/cm3, hydrogenation rate: 100%)
2) LA-81: ADK STAB LA-81 (product name) manufactured by ADEKA Corporation; bis(2,2,6,6-tetramethyl-1-undecyloxypiperidin-4-yl) carbonate
3) PP: homopolypropylene having MFR of 8 g/10 min (230°C)
4) LDPE: low-density polyethylene having MFR of 1 g/10 min (200°C) - It was found from the results of Comparative Example 1-1 that when more than 250 parts by mass of the compound in a liquid state was blended into 100 parts by mass of the styrene-based elastomer, poor retaining properties were obtained.
- It was found from the results of Comparative Example 1-2 that when the production was performed using a medium other than SEBS, poor retaining properties were obtained.
- It was found from the results of Comparative Examples 1-3 and 1-4 that the masterbatch was formed using an olefin resin, poor retaining properties were obtained.
- Meanwhile, it was found that the resin additive compositions produced through the production method of the present invention (or the resin additive composition of the present invention) had excellent retaining properties.
- 0.1 parts by mass of tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyloxymethyl)methane, 0.1 parts by mass of tris(2,4-di-tert-butylphenyl)phosphite, 5 parts by mass of hydrotalcite ("DHT-4V" (product name) manufactured by KISUMA Chemicals), and the "resin additive composition" having any composition of Example 1-1 and Comparative Examples 1-2 to 1-4 shown in Table 1 in such an amount that the content of "ADK STAB LA-81" was 0.4 parts by mass were blended into 100 parts by mass of low-density polyethylene having an MFR of 5.0 g/10min, MFR being measured in accordance with a test method of JIS K7210, and a density of 0.929 g/cm3, and mixed.
- Next, a twin-screw extruder was used to perform granulation at an extrusion temperature of 200°C, and thus pellets were obtained. The obtained pellets were subjected to compression molding for 5 minutes in conditions of 180°C and 9.8 MPa to produce a film having a thickness of 80 µm. The obtained film was evaluated as described later.
- It should be noted that in Comparative Example 2-4, a film was obtained through processing performed in the same blend amount and conditions as those in Example 2-1, except that SEBS was not impregnated with ADK STAB LA-81 but SEBS and ADK STAB LA-81 were separately added to low-density polyethylene in the production process (steps in Example 1-1) of the resin additive composition in Example 2-1.
- The obtained film was visually observed. The case where no opacity or no foreign matter was observed was evaluated as "Good", and the case where opacity or foreign matter was observed was evaluated as "Poor". Table 2 below shows the results.
- The case where a feed amount was not stabilized due to blocking at a raw material supplying port or the like during the processing using a twin-screw extruder was evaluated as "Poor", and the case where the raw material could be supplied without particular problems was evaluated as "Good". Table 2 shows the results.
Table 2 Resin additive composition External appearance Feed properties Ex. 2-1 Ex. 1-1 Good Good Comp. Ex. 2-1 Comp. Ex. 1-2 Poor Poor Comp. Ex. 2-2 Comp. Ex. 1-3 Poor Poor Comp. Ex. 2-3 Comp. Ex. 1-4 Poor Poor Comp. Ex. 2-4 SEBS (not impregnated with LA-81) Good Poor - It was found from the results of Comparative Examples 2-1 to 2-3 that when the production was performed using a medium other than SEBS, the molded articles had poor external appearances. Moreover, it was found that the resin additive composition having poor retaining properties adversely affected the feed properties. Furthermore, it was found from the results of Comparative Example 2-4 that even when the same components as those of the resin additive composition in Example 1-1 were included, poor feed properties were obtained when SEBS was not impregnated with ADK STAB LA-81.
- Meanwhile, it was found that with the resin additive composition of the present invention, the molded article had a favorable external appearance and feed properties.
Claims (7)
- A production method for producing a resin additive composition, the method being a method for handling, as a solid, a compound that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer, the method comprising mixing 100 parts by mass of a styrene-based elastomer (A) with 50 to 250 parts by mass of a compound (B) that can maintain a liquid state or fluid state at 100°C for 30 minutes or longer,
wherein the compound (B) is a resin additive having a melting point of 100°C or lower; and
wherein the compound (B) is a compound represented by Formula (1):
when j is 1,
X1 represents a hydrogen atom, a hydroxy group, a branched or linear alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, or a group represented by Formula (2) or Formula (3), and
R1 represents a group represented by Formula (3),
when j is 2,
X1 represents an alkylidene group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3),
when j is 3,
X1 represents an alkanetriyl group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3), and
when j is 4,
X1 represents an alkanetetrayl group having 1 to 40 carbon atoms, and R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3) excluding a compound having a peroxide structure;
wherein the compound (B) is a compound represented by Formula (4):
wherein the compound (B) is an NO-alkyl type hindered amine compound having a triazine structure or a spiroglycol structure. - The production method according to claim 1, wherein the compound (B) in a liquid state or fluid state is mixed with the styrene-based elastomer (A) in a solid state to impregnate the styrene-based elastomer (A) with the compound (B).
- The production method according to claim 1 or 2, wherein the styrene-based elastomer (A) is a hydrogenated styrene-butadiene-styrene copolymer.
- A resin additive composition comprising 50 to 250 parts by mass of a resin additive (B) having a melting point of 100°C or lower with respect to 100 parts by mass of a styrene-based elastomer (A),
wherein the resin additive (B) is a compound represented by Formula (1):
when j is 1,
X1 represents a hydrogen atom, a hydroxy group, a branched or linear alkyl group having 1 to 30 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, or a group represented by Formula (2) or Formula (3), and
R1 represents a group represented by Formula (3),
when j is 2,
X1 represents an alkylidene group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3),
when j is 3,
X1 represents an alkanetriyl group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3), and
when j is 4,
X1 represents an alkanetetrayl group having 1 to 40 carbon atoms, and
R1 represents a branched or linear alkyl group having 1 to 40 carbon atoms or a group represented by Formula (3), and at least one R1 represents a group represented by Formula (3) excluding a compound having a peroxide structure;
wherein the resin additive (B) is a compound represented by Formula (4):
wherein the resin additive (B) is an NO-alkyl type hindered amine compound having a triazine structure or a spiroglycol structure. - The resin additive composition according to claim 4, wherein the styrene-based elastomer (A) is a hydrogenated styrene-butadiene-styrene copolymer.
- A synthetic resin composition comprising the resin additive composition according to claim 4 or 5, wherein 0.01 to 10 parts by mass of the resin additive (B) is contained with respect to 100 parts by mass of a synthetic resin.
- The synthetic resin composition according to claim 6, wherein the synthetic resin is a polyethylene resin.
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US20170349741A1 (en) | 2017-12-07 |
JPWO2016132980A1 (en) | 2017-11-24 |
CN107207827A (en) | 2017-09-26 |
KR102528840B1 (en) | 2023-05-04 |
TWI687459B (en) | 2020-03-11 |
JP6771453B2 (en) | 2020-10-21 |
EP3260492A4 (en) | 2018-10-24 |
WO2016132980A1 (en) | 2016-08-25 |
US10253176B2 (en) | 2019-04-09 |
CN107207827B (en) | 2020-03-20 |
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